The ventilation system is state-of-the-art. Air is moved through the range proper at approximately 70 feet per minute. The airflow is directed out from a patented radial diffuser, which provides the best floor to ceiling coverage. Because air is so evenly directed, even at 70 feet per minute the air movement is almost undetectable. When operating, the ventilation system maintains a 10% negative air pressure inside the range. This means that 10% more air is being exhausted from the interior than is being introduced. This negative air pressure facilitates the appropriate movement of air. The system also utilizes an interactive “.wav file” system. This feature allows the user to install verbal commands or background noises (sirens, people screaming, gunshots, etc) similar to those they might encounter on the street. These .wav files are completely programmable and can be utilized without any exercise. Additionally, the department has installed an old red and blue overhead lightbar inside the range, which can provide the same type of lighting effect a patrol officer would experience on the street.